The quality of YUAN SINE SPRING heavy duty extension springs is constantly monitored by using advanced measuring equipment such as a wide range of height, bore, and other gaging equipment, and hardness tester equipment. 2.
The product is of good quality and excellent performance. 3.
The product is deeply loved by our customers around the world, taking a large market share.
Tension spring is a helical spring subjected to axial tension. There are different kinds of hooks. English hook, German hook, long hook, semicircle hook, duck bead hook and so on. The “hook” is used to guarantee the source of tension of stretching spring. The gap for the ring and the ring must be tight and exact. These points must be identified. It is used to control the movement of machine parts , store energy, measure the size of the force and so on. Some of tension spring are made for precondition for safety. That’s what we value and strict on quality control. We must give more consideration to service this.
|Stainless steel||stainless steel|
|Wire diameter||0.3 mm|
|Outside of diameter||4.4 mm|
|Inside of diameter||4.4 mm|
|Mean coil diameter||4.4 mm|
|Active coil number||55|
|Total number of coils(Nt)||55|
|Free length(F.L.)||25 mm|
|Right hand screw||ok|
|Closed and ground ||ok|
|High-temperature heat treatment||ok|
2-ways tension spring for communcation router
To YUAN SINE SPRING, recognition from heavy duty extension springs industry is the highest achievement. 2.
We have a professional sales team. Combining their years of experience, they are able to communicate with our customers and distributors to ensure that our products, services, and solutions are targeted to their needs and exceed their expectations. 3.
To establish the service creed of precision extension springs is the base of YUAN SINE SPRING ENTERPRISE CO., LTD's work. Ask online! YUAN SINE SPRING ENTERPRISE CO., LTD has entered a benign development track of sustained profitability and rapid growth under the business principles of extension spring design . Ask online! YUAN SINE SPRING has been striving to achieve to be the leading small tension springs manufacturer. Ask online! stainless extension spring is eternal tenets that YUAN SINE SPRING ENTERPRISE CO., LTD pursue. Ask online!